public static IntPtr WebBrowserGetInterface <T>(T geckoWebBrowser, nsIWebBrowser instance, ref Guid uuid)
where T : IGeckoWebBrowser
{
object obj = geckoWebBrowser;
// note: when a new window is created, gecko calls GetInterface on the webbrowser to get a DOMWindow in order
// to set the starting url
if (instance != null)
{
if (uuid == typeof(nsIDOMWindow).GUID)
{
obj = instance.GetContentDOMWindowAttribute();
}
else if (uuid == typeof(nsIDOMDocument).GUID)
{
obj =
new WebIDL.Window(instance.GetContentDOMWindowAttribute(),
(nsISupports)instance.GetContentDOMWindowAttribute()).Document;
}
}
IntPtr ppv, pUnk = Marshal.GetIUnknownForObject(obj);
Marshal.QueryInterface(pUnk, ref uuid, out ppv);
Marshal.Release(pUnk);
return(ppv);
}
protected override void OnHandleDestroyed(EventArgs e)
{
if (BaseWindow != null)
{
this.Stop();
WindowMediator.UnregisterWindow(this);
if (_weakRef != null)
{
_weakRef.Dispose();
_weakRef = null;
}
nsIDocShell docShell = Xpcom.QueryInterface <nsIDocShell>(BaseWindow);
if (docShell != null && !docShell.IsBeingDestroyed())
{
try
{
var window = Xpcom.QueryInterface <nsIDOMWindow>(docShell);
if (window != null)
{
try
{
var w = new WebIDL.Window(window, (nsISupports)window);
if (!w.Closed)
{
w.Close();
}
}
finally
{
Xpcom.FreeComObject(ref window);
}
}
}
finally
{
Xpcom.FreeComObject(ref docShell);
}
}
if (EventTarget != null)
{
RemoveFrameEvents();
DetachEvents();
EventTarget.Dispose();
EventTarget = null;
}
BaseWindow.Destroy();
Xpcom.FreeComObject(ref CommandParams);
var webBrowserFocus = this.WebBrowserFocus;
this.WebBrowserFocus = null;
Xpcom.FreeComObject(ref webBrowserFocus);
Xpcom.FreeComObject(ref WebNav);
Xpcom.FreeComObject(ref BaseWindow);
Xpcom.FreeComObject(ref WebBrowser);
if (this.menu != null)
{
this.menu.MenuItems.Clear();
this.menu.Dispose();
this.menu = null;
}
#if GTK
if (m_wrapper != null)
{
m_wrapper.Dispose();
m_wrapper = null;
}
#endif
}
base.OnHandleDestroyed(e);
}